package com.sky.config;

import com.sky.interceptor.JwtTokenAdminInterceptor;
import com.sky.interceptor.JwtTokenUserInterceptor;
import com.sky.json.JacksonObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;

import java.util.List;

/**
 * 配置类，注册web层相关组件
 */
@Configuration
@Slf4j
public class WebMvcConfiguration extends WebMvcConfigurationSupport {

    @Autowired
    private JwtTokenAdminInterceptor jwtTokenAdminInterceptor;
    @Autowired
    private JwtTokenUserInterceptor jwtTokenUserInterceptor;

    /**
     * 注册自定义拦截器
     *
     * @param registry
     */
    protected void addInterceptors(InterceptorRegistry registry) {
        log.info("开始注册自定义拦截器...");
        registry.addInterceptor(jwtTokenAdminInterceptor)
                .addPathPatterns("/admin/**")
                .excludePathPatterns("/admin/employee/login");
        log.info("开始注册用户自定义拦截器...");
        registry.addInterceptor(jwtTokenUserInterceptor)
                .addPathPatterns("/user/**")
                .excludePathPatterns("/user/user/login")
                .excludePathPatterns("/user/shop/status");

    }
    /**
     * 添加用户端登录拦截器
     * @param registry
     */
  /*  protected void addUserInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(jwtTokenUserInterceptor);
        log.info("开始注册自定义拦截器...");
        registry.addInterceptor(jwtTokenUserInterceptor)
                .addPathPatterns("/user/**")
                .excludePathPatterns("/user/user/login")
                .excludePathPatterns("/user/shop/status");
    }*/

    /**
     * 通过knife4j生成接口文档
     * @return
     */
    @Bean
    public Docket docket() {
        log.info("准备生成接口文档");
        ApiInfo apiInfo = new ApiInfoBuilder()
                .title("苍穹外卖项目接口文档")
                .version("2.0")
                .description("苍穹外卖项目接口文档")
                .build();
        Docket docket = new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo)
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.sky.controller"))
                .paths(PathSelectors.any())
                .build();
        return docket;
    }

    /**
     * 设置静态资源映射
     * @param registry
     */
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("开始进行静态资源映射...");
        registry.addResourceHandler("/doc.html").addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
    }
    /**
     * 扩展SpringMVC的消息转换器
     * @param converters
     */
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器...");
        //创建消息转换器对象
        MappingJackson2HttpMessageConverter Converter = new MappingJackson2HttpMessageConverter();
        //设置对象转换器，底层使用Jackson将Java对象转为json
        Converter.setObjectMapper(new JacksonObjectMapper());
        //将上面的消息转换器对象追加到mvc框架的转换器集合中
        converters.add(0, Converter);
   }
   //在WebMvcConfiguration.java中，分别扫描"com.sky.controller.admin"和"com.sky.controller.user"这两个包
   @Bean
    public Docket docket1(){
        log.info("准备生成接口文档...");
        ApiInfo apiInfo = new ApiInfoBuilder()
               .title("sky-take-out接口文档")
               .version("2.0")
               .description("sky-take-out接口文档")
               .build();
       Docket docket = new Docket(DocumentationType.SWAGGER_2)
               .groupName("管理端接口")
               .apiInfo(apiInfo)
               .select()
               //指定生成接口需要扫描的包
               .apis(RequestHandlerSelectors.basePackage("com.sky.controller.admin"))
               .paths(PathSelectors.any())
               .build();
       return docket;
   }
   @Bean
    public Docket docket2(){
        log.info("准备生成接口文档...");
       ApiInfo apiInfo = new ApiInfoBuilder()
               .title("苍穹外卖项目接口文档")
               .version("2.0")
               .description("苍穹外卖项目接口文档")
               .build();
       Docket docket = new Docket(DocumentationType.SWAGGER_2)
               .groupName("用户端接口")
               .apiInfo(apiInfo)
               .select()
               //指定生成接口需要扫描的包
               .apis(RequestHandlerSelectors.basePackage("com.sky.controller.user"))
               .paths(PathSelectors.any())
               .build();
       return docket;
   }
}
